Telephone handset



FIG. 1 is a perspective showing the top of the design;

FIG. 2 is a perspective showing the bottom of the design;

FIG. 3 is a top plan view of the design;

FIG. 4 is a bottom end elevation of the design;

FIG. 5 is a top end elevation of the design;

FIG. 6 is a right side elevation of the design;

FIG. 7 is a bottom plan view of the design; and,

FIG. 8 is a left side elevation of the design. 

The ornamental design for a telephone handset, as shown. 